Information Processing Apparatus

1. An information processing apparatus comprising: a moving unit configured to move relative positions of a first display unit and a second display unit, wherein said first display unit and said second display unit display images for respective eyes of a user; a detecting unit configured to detect relative moving amounts of said first display unit relative to said second display unit and said second display unit relative to said first display unit; an obtaining unit configured to obtain a first captured image captured by a first capturing unit and a second captured image captured by a second captured unit, respectively; a determination unit configured to determine extraction ranges based on the relative moving amounts of said first display unit relative to said second display unit and said second display unit relative to said first display unit detected by the detecting unit, wherein moving amounts of the extraction ranges are calculated to be proportional to both the relative moving amounts of said first and second display units and a pupil distance of said first capturing unit and said second capturing unit; an extracting unit configured to generate a first extracted image and a second extracted image by respectively extracting portions of the first captured image and the second captured image in the extraction ranges determined by the determination unit; and a composite image generating unit configured to generate a first composite image and a second composite image by respectively compositing a first CG image and a second CG image with the first extracted image and the second extracted image.

2. The apparatus according to claim 1 , wherein said moving unit comprises: at least two guide members; a screw mechanism formed along one of said guide members; and a rotatable manual adjustment unit connected to said screw mechanism, wherein said screw mechanism moves the positions of said first display unit and said second display unit along said guide members, in accordance with the rotation of said rotatable manual adjustment unit.

3. The apparatus according to claim 2 , wherein portions of said screw mechanism, which correspond to said first display unit and said second display unit, are threaded in opposite directions, and said moving unit moves said first display unit and said second display unit away from or nearer to each other.

4. The apparatus according to claim 1 , further comprising said first display unit and said second display unit.

5. The apparatus according to claim 1 , further comprising said first capturing unit and said second capturing unit.

6. The apparatus according to claim 1 , wherein said moving unit moves said first display unit and said second display unit in different directions for each other.

7. The apparatus according to claim 1 , wherein the moving amounts are caused by the moving unit moving positions of said first display unit and said second display unit.

8. The apparatus according to claim 1 , wherein a distance between said first capturing unit and said second capturing unit is fixed.

9. The apparatus according to claim 1 , wherein positions of said first capturing unit and said second capturing unit are fixed.

10. The apparatus according to claim 1 , wherein said moving amounts of the extraction ranges are determined by the equation: y = ( D + X 2 ) ⁢ A 2 ⁢ ⁢ L ⁢ ⁢ tan ⁡ ( ω 2 ) where y represents said moving amounts of the extraction ranges, D represents the pupil distance between the first capturing unit and the second capturing unit, X represents the relative moving amounts of said first and second display units, A represents the number of horizontal pixels of the first capturing unit and the second capturing unit, L represents a distance to the convergence point of the first capturing unit and the second capturing unit, and ω represents the angle of view of the first capturing unit and the second capturing unit.

11. An information processing apparatus comprising: a moving unit configured to move relative positions of a first display unit and a second display unit, wherein said first display unit and said second display unit display images for respective eyes of a user; a detecting unit configured to detect relative moving amounts of said first display unit relative to said second display unit and said second display unit relative to said first display unit; a first capturing unit and a second capturing unit configured to capture a first captured image and a second captured image, respectively; a determination unit configured to determine extraction ranges based on the relative moving amounts of the first display unit relative to said second display unit and the second display unit relative to said first display unit detected by the detecting unit, wherein moving amounts of the extraction ranges are calculated to be proportional to both the relative moving amounts of said first and second display units and a pupil distance of said first capturing unit and said second capturing unit; an extracting unit configured to generate a first extracted image and a second extracted image by extracting portions of the first captured image and the second captured image, respectively, in the extraction ranges determined by the determination unit; and a composite image generating unit configured to generate a first composite image and a second composite image by compositing a first CG image and a second CG image, respectively, with the first extracted image and the second extracted image, wherein said first display unit and said second display unit configured to display the first composite image and the second composite image, respectively.

12. The apparatus according to claim 11 , wherein the moving amounts are caused by the moving unit for moving positions of said first display unit and said second display unit.

13. The apparatus according to claim 11 , wherein a distance between said first capturing unit and said second capturing unit is fixed.

14. The apparatus according to claim 11 , wherein positions of said first capturing unit and said second capturing unit are fixed.

15. An information processing method comprising: moving relative positions of a first display unit and a second display unit, wherein the first display unit and the second display unit display images for respective eyes of a user; detecting relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit; obtaining a first captured image captured by a first capturing unit and a second captured image captured by a second captured unit; determining extraction ranges based on the relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit detected in the detecting step, wherein moving amounts of the extraction ranges are calculated to be proportional to both the relative moving amounts of the first and second display units and a pupil distance of the first capturing unit and the second capturing unit; an extracting unit configured to generate a first extracted image and a second extracted image by respectively extracting portions of the first captured image and the second captured image in the extraction ranges determined in the determining step; and generating a first composite image and a second composite image by respectively compositing a first CG image and a second CG image with the first extracted image and the second extracted image.

16. A non-transitory computer-readable storage medium storing a program for causing a computer to execute an information processing method comprising: moving relative positions of a first display unit and a second display unit, wherein the first display unit and the second display unit display images for respective eyes of a user; detecting relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit; obtaining a first captured image captured by a first capturing unit and a second captured image captured by a second captured unit; determining extraction ranges based on the relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit detected in the detecting step, wherein moving amounts of the extraction ranges are calculated to be proportional to both the relative moving amounts of the first and second display units and a pupil distance of the first capturing unit and the second capturing unit; an extracting unit configured to generate a first extracted image and a second extracted image by respectively extracting portions of the first captured image and the second captured image in the extraction ranges determined in the determining step; and generating a first composite image and a second composite image by respectively compositing a first CG image and a second CG image with the first extracted image and the second extracted image.

17. An information processing method comprising: moving relative positions of a first display unit and a second display unit, wherein the first display unit and the second display unit display images for respective eyes of a user; detecting relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit; capturing, with a first capturing unit and a second capturing unit, a first captured image and a second captured image, respectively; determining extraction ranges based on the relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit detected in the detecting step, wherein moving amounts of the extraction ranges are calculated to be proportional to both the relative moving amounts of the first and second display units and a pupil distance of the first capturing unit and the second capturing unit; generating first extracted image and a second extracted image by extracting portions of the first captured image and the second captured image, respectively, in the extraction ranges determined in the determining step; and generating a first composite image and a second composite image by compositing a first CG image and a second CG image, respectively, with the first extracted image and the second extracted image, displaying, on the first display unit and the second display unit, the first composite image and the second composite image, respectively.

18. A non-transitory computer-readable storage medium storing a program for causing a computer to execute an information processing method comprising: moving relative positions of a first display unit and a second display unit, wherein the first display unit and the second display unit display images for respective eyes of a user; detecting relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit; capturing, with a first capturing unit and a second capturing unit, a first captured image and a second captured image, respectively; determining extraction ranges based on the relative moving amounts of the first display unit relative to the second display unit and the second display unit relative to the first display unit detected in the detecting step, wherein moving amounts of the extraction ranges are calculated to be proportional to both the relative moving amounts of the first and second display units and a pupil distance of the first capturing unit and the second capturing unit; generating first extracted image and a second extracted image by extracting portions of the first captured image and the second captured image, respectively, in the extraction ranges determined in the determining step; and generating a first composite image and a second composite image by compositing a first CG image and a second CG image, respectively, with the first extracted image and the second extracted image, displaying, on the first display unit and the second display unit, the first composite image and the second composite image, respectively.